Scan Tool Data List
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine OFF/Vehicle in PARK/Park Brake RELEASED/Headlamps in AUTO/All door closed | |||
| Accessory Switch | Input | Active/Inactive | Inactive |
| Backup Lamps | Output | On/Off | Off |
| Battery Voltage | Data | Volts | Varies |
| Cargo Door Ajar Switch | Input | Open/Closed | Closed |
| Courtesy Lamp Switch | Input | On/Off | Off |
| Daytime Running Lamps | Output | Active/Inactive | Inactive |
| Dimming Potentiometer | Data | Volts | Varies |
| Dimming Potentiometer R | Data | Volts | 5.0 |
| Drive Door Ajar Sw. | Input | On/Off | Off |
| Flash to Pass Switch | Input | On/Off | Off |
| Headlamps On Indicator | Output | On/Off | Off |
| Headlamps Switch | Input | Active/Inactive | Inactive |
| High Beam Relay | Output | On/Off | Off |
| High Beam Switch | Input | On/Off | Off |
| Ignition Unlock | Input | Active/Inactive | Active |
| Inadvertent Power | Output | On/Off | On |
| Interior Lamp Defeat Switch | Input | Active/Inactive | Inactive |
| Key In Ignition | Input | Yes/No | Yes |
| Park Brake Switch | Input | Set/Released | Released |
| Park Lamp Relay | Output | On/Off | On/Off |
| Park Lamp Switch | Input | Active/Inactive | Inactive |
| RAP Relay | Output | On/Off | On |
| Passenger/Rear Cargo Do | Input | On/Off | Off |
| Run/Crank | Input | Active/Inactive | Inactive |